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WO/2022/263987A1 |
A free-radically polymerizable copolymer comprising divalent monomeric units: a); b); and optionally c). Each R1 independently represents an alkyl group having from 1 to 8 carbon atoms. R2 represents H or a methyl group. Z represents an ...
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WO/2022/263397A1 |
The invention relates to an ethylene copolymer which comprises or consists of 55 to 80 wt% of an ethylene homopolymer component A and 20 to 45 wt% of an ethylene copolymer component B of ethylene and an olefin comonomer, wherein the comp...
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WO/2022/263112A1 |
The present invention provides an ethylene-α-olefin copolymer comprising moieties derived from ethylene and moieties derived from an α-olefin comprising 3 to 10 carbon atoms, wherein the copolymer has: • a short chain branching ratio...
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WO/2022/263744A1 |
The invention relates to A-B-A block polymers and the process for preparing same by polymerisation of ethylene or of a mixture containing ethylene and a 1,3-diene in the presence of at least one rare earth metallocene and of a co-catalys...
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WO/2022/263737A1 |
The present invention relates to a rubber composition having high rigidity, without the use of large amounts of reinforcing filler or without the use of reinforcing resins, while having improved limit properties. The composition is based...
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WO/2022/263389A1 |
The present invention relates to method for controlling the initial fragmentation time of a porous polymerization catalyst in a process for polymerizing alpha-olefin polymers, the method comprising: • Determining the initial fragmentat...
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WO/2022/263738A1 |
The present invention relates to a rubber composition having high rigidity, without the use of large amounts of reinforcing filler or without the use of reinforcing resins, while having improved limit properties. The composition is based...
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WO/2022/258804A1 |
A process for producing a multimodal ethylene polymer comprising the steps of (i) polymerising ethylene in a first polymerisation step in the presence of a Ziegler-Natta polymerisation catalyst to produce a first ethylene homopolymer (PE...
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WO/2022/260896A1 |
Granular polyolefin polymerization catalyst exhibit activation with less activity spikes if the composition has substantial zones of exposed support material and substantial zones of exposed activator, rather than a core-shell morphology...
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WO/2022/260891A1 |
Processes for making polypropylene random copolymers with improved properties. A process for making a random copolymer can include introducing propylene and at least one other α-olefin comonomer to a first reactor system for slurry phas...
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WO/2022/254294A1 |
The present invention relates to a method for producing ethylene polymer predicting and controlling the density of ethylene polymer in real time using on-ling analyzer. Specifically, the present invention relates to a method for producin...
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WO/2022/250456A1 |
The present invention relates to a heat-resistant resin for manufacturing a high-output and high-capacity cable, a method for manufacturing the resin, and a cable manufactured from the resin.
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WO/2022/250822A1 |
The present disclosure relates to a process including introducing a feed to a catalyst and an activator to provide a solution in a continuous or semi-continuous reactor. The feed can include a solvent, and a first monomer that is propyle...
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WO/2022/242045A1 |
The present invention relates to preparation of an anthracene skeleton-based bimetallic catalyst, and an application thereof in solution polymerization of an olefin at high temperature. In the present invention, an anthracene skeleton is...
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WO/2022/243278A1 |
A process for preparing an olefin polymer in a polymerization apparatus in the presence of a solid particulate polymerization catalyst and an organometallic compound, comprising withdrawing a gaseous stream from the polymerization appara...
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WO/2022/245643A1 |
Bimodal high density polyethylene compositions can achieve an improved balance of stress crack resistance and processability by selecting the higher molecular weight and lower molecular weight components such that (1) the lower molecular...
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WO/2022/241225A1 |
A polyethylene copolymer comprising ethylene units and C4 to C8 α-olefin comonomer units having the following characteristics: a melt index from about 0.1 to about 15 g/10 min as determined at 190°C by ASTM D1238 under 2.16 kg and at 1...
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WO/2022/238352A1 |
Hot melt adhesive comprising a polar group-containing olefin copolymer having: number average molecular weight (M n ) between 10 to 50 kg/mol, preferably between 20 to 50 kg/mol, crystallinity (X c ) content below 30%, preferably below 1...
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WO/2022/234292A1 |
Compounds suitable for use in the polymerisation of olefins, such as ethylene, are described. Also described is a process for polymerising olefins using the described compounds. The compounds exhibit high polymerisation activities and af...
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WO/2022/228260A1 |
The present invention belongs to the field of olefin polymerization, and relates to a propylene-based copolymer, a preparation method therefor and the use thereof, and a polypropylene composition. The propylene-based copolymer may contai...
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WO/2022/229536A1 |
The invention relates to a copolymer of a 1,3-diene and an olefin, the copolymer bearing, at one of its chain ends, a functional group of formula -CH2-CH(CH3)-COOZ, wherein Z is a hydrogen atom or a carbon-containing group. The invention...
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WO/2022/229310A1 |
A catalyst composition for the polymerization of oelfinic monomers comprising a metal complex corresponding to the general formula (I) CyLMZp (I), wherein Cy represents a ligand that is bonded to the metal of the metal complex and the li...
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WO/2022/221049A1 |
Processes for making polypropylene homopolymers, random copolymers, and/or impact copolymers. A process for making an impact copolymer can include polymerizing propylene, or copolymerizing propylene and at least one other α-olefin comon...
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WO/2022/218903A1 |
31 ABSTRACT The present invention relates to a copolymer of ethylene and an C3 to C10 alpha-olefin, wherein the copolymer has a density of 850 to 920 kg/m3 measured according to ISO 1183, characterized by a Full Width at Half maximum (FW...
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WO/2022/214634A1 |
A metal complex of general formula (I):Cyc L M Zp (I),wherein M is a metal selected from the group consisting of titanium, zirconium, and hafnium; Cyc is a cyclic ligand selected from cyclopentadienyl, indenyl, and fluorenyl and which ma...
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WO/2022/214420A1 |
The invention relates to a solid catalyst system comprising a chromium compound, a silicon oxide support and a compound represented by the general formula (R4)2-N-R3 (I), wherein R4 is represented by R1-Al-OR2 wherein R1 is selected from...
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WO/2022/214880A1 |
A method of controlling long chain branching in an ethylene-based polymer includes polymerizing ethylene with one or more optional monomers to form an ethylene-based polymer, and controlling a degree of long chain branching (LCB) in the ...
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WO/2022/209138A1 |
The purpose of the present invention is to obtain a graft-modified ethylene/α-olefin copolymer that is suitable as an impact resistance improvement material for an engineering plastic such as a polyamide, and to obtain a polyamide compo...
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WO/2022/210844A1 |
[Problem] To provide an ethylene-α-olefin copolymer which has excellent moldability and can be molded into a molded article (particularly a film) having excellent mechanical strength and an excellent balance between transparency and blo...
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WO/2022/207551A1 |
Process of producing a polymer comprising (i) feeding a monomer stream (1) containing the monomers for producing the polymer into a reaction unit (4) containing at least a one reaction vessel where a reaction mixture containing solvent a...
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WO/2022/212236A1 |
Methods of propylene polymerization incorporate bis biphenyl-phenoxy procatalysts favoring polypropylene isotacticity at elevated reactor temperatures. The methods include polymerizing propylene in the presence of a catalyst system to pr...
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WO/2022/210843A1 |
[Problem] To provide an ethylene-α-olefin copolymer superior in formability and particularly superior in mechanical strength to conventional ones. [Solution] A copolymer of ethylene satisfying the following requirements (1) to (7) and Î...
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WO/2022/211091A1 |
The present invention is a method for producing an olefin-based catalyst, the method being characterized by polymerizing an olefin in the presence of a catalyst composition that contains a compound represented by general formula (A) or g...
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WO/2022/210845A1 |
[Problem] To provide an ethylene resin capable of producing by excellent moldability a molded body (especially a film) having excellent mechanical strength and an excellent balance of transparency and blocking resistance. [Solution] An e...
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WO/2022/200537A2 |
The invention relates to a process for the preparation of a heterophasic polypropylene resin in a multistage polymerisation process in the presence of a metallocene catalyst, said process comprising: (I) in a first polymerisation step, p...
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WO/2022/200538A2 |
The invention relates to an amorphous ethylene-propylene copolymer with an intrinsic viscosity (iV) measured in decalin at 135°C of at least 2.0 and having at least one of the following properties; (i) more than 1 internal vinylidene un...
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WO/2022/203461A1 |
The present invention relates to a polypropylene resin composition containing an ethylene propylene-based copolymer prepared using a continuous reactor in the presence of a metallocene compound having a specific structure, and provides: ...
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WO/2022/202634A1 |
This cyclic olefin resin composition contains (A) a cyclic olefin polymer, (B) a diester compound of triglycerin and a fatty acid, and (C) a compound which is a monoester compound of diglycerin and a fatty acid or a monoester compound of...
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WO/2022/203389A1 |
The present invention relates to an olefin-based polymer. Specifically, the present invention relates to a low-density olefin-based polymer having high mechanical hardness by introduction of a highly crystalline region thereinto.
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WO/2022/196794A1 |
An ethylene-(meth)acrylate elastomer having a structure that has been copolymerized at the proportions 40-79.9 mol% of ethylene, 20.0-50.0 mol% of an alkyl(meth)acrylate with a C1-8 alkyl group and/or an alkoxy(meth)acrylate with a C2-8 ...
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WO/2022/196522A1 |
Provided is a monomer composition containing methyl methacrylate and an alpha-olefin.
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WO/2022/195513A1 |
A polyethylene composition has a density of ≥ 0.945 g/cm3, a melt index,I2 of from 0.8 to 4.0 g/10min, an environmental stress crack resistance, an ESCR of greater than 400 hours as determined by ASTM D1693 in 100% IGEPAL CO-630 under ...
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WO/2022/196239A1 |
Provided is a stretched polyethylene film for lamination, the stretched polyethylene film being highly recyclable and having excellent heat resistance. The stretched polyethylene film for laminating is characterized by: comprising a poly...
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WO/2022/196795A1 |
An ethylene/(meth)acrylate-based elastomer which has a structure obtained by copolymerizing 40-79.9 mol% ethylene, 20.0-50.0 mol% alkyl (meth)acrylate in which the alkyl group has 1-8 carbon atoms and/or alkoxy (meth)acrylate having a C2...
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WO/2022/195512A1 |
A polyethylene composition has a density of from 0.941 to 0.962 g/cm3; a melt index, I2 of from 0.5 to 5.0 g/10min; a melt flow ratio, I21/I2 of ≥ 40; a Z-average molecular weight distribution, Mz/Mw of ≥ 2.5; a comonomer distributio...
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WO/2022/189375A1 |
The present invention relates to a metallocene catalysed multimodal copolymer (P) of ethylene, to the use of the multimodal copolymer (P) of ethylene in film applications and to a film comprising the polymer composition of the invention.
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WO/2022/189887A1 |
Ethylene copolymer compositions having a density of 0.902 g/cm3 or less exhibit rapid crystallization behavior. The ethylene copolymer compositions comprise a first ethylene copolymer, a second ethylene copolymer and optionally a third e...
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WO/2022/189725A1 |
The invention relates to a rubber composition based on: 20 to 100 phr of an ethylene copolymer, a first 1,3-diene which is 1,3-butadiene, isoprene or a mixture thereof and a second 1,3-diene of formula CH2=CR-CH=CH2, wherein the symbol R...
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WO/2022/189888A1 |
Ethylene copolymer compositions having a density of from 0.860 to 0.910 g/cm3 exhibit rapid crystallization behavior. The ethylene copolymer compositions comprise a first ethylene copolymer, a second ethylene copolymer and a third ethyle...
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WO/2022/189374A1 |
The present invention relates to a metallocene catalysed multimodal copolymer (P) of ethylene, to the use of the multimodal copolymer (P) of ethylene in film applications and to a film comprising the polymer composition of the invention.
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